The red black clip push-pull USB Flash Drive made of classic ABS material , plastic retractable USB previously fixed USB connector into sliding type design, as long as the use of thumb slide up and down after light pressure on the handle, it can free telescopic USB connector, even single hand can easily operation, saves on the hands to pull cap. USB connector is once completely after launch, stuck in anchor point automatically, when the plug is not retracted; After return, even shaking will fall out of the chassis, showing highly detailed process quality.